513836 has 12 divisors (see below), whose sum is σ = 946680. Its totient is φ = 243360.

The previous prime is 513829. The next prime is 513839. The reversal of 513836 is 638315.

It is a zygodrome in base 3.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 513836.

It is not an unprimeable number, because it can be changed into a prime (513839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3305 + ... + 3456.

It is an arithmetic number, because the mean of its divisors is an integer number (78890).

2⁵¹³⁸³⁶ is an apocalyptic number.

It is an amenable number.

513836 is a deficient number, since it is larger than the sum of its proper divisors (432844).

513836 is a wasteful number, since it uses less digits than its factorization.

513836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6784 (or 6782 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 513836 is about 716.8235487203. The cubic root of 513836 is about 80.0955109254.

The spelling of 513836 in words is "five hundred thirteen thousand, eight hundred thirty-six".